64339877 has 8 divisors (see below), whose sum is σ = 74246016. Its totient is φ = 54612432.

The previous prime is 64339843. The next prime is 64339879. The reversal of 64339877 is 77893346.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64339877 - 2⁶ = 64339813 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64339879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43898 + ... + 45339.

It is an arithmetic number, because the mean of its divisors is an integer number (9280752).

Almost surely, 2^64339877 is an apocalyptic number.

It is an amenable number.

64339877 is a deficient number, since it is larger than the sum of its proper divisors (9906139).

64339877 is a wasteful number, since it uses less digits than its factorization.

64339877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89347.

The product of its digits is 762048, while the sum is 47.

The square root of 64339877 is about 8021.2141848974. The cubic root of 64339877 is about 400.7068273354.

The spelling of 64339877 in words is "sixty-four million, three hundred thirty-nine thousand, eight hundred seventy-seven".